Subversion Repositories openrisc_2011-10-31

/* This testcase is part of GDB, the GNU debugger.

   Copyright 2008, 2009, 2010 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <stdlib.h>

#include <string.h>

/* Test various kinds of stepping.

*/

int myglob = 0;

int callee() {          /* ENTER CALLEE */

  myglob++; return 0;    /* ARRIVED IN CALLEE */

}                       /* RETURN FROM CALLEE */

/* A structure which, we hope, will need to be passed using memcpy.  */

struct rhomboidal {

  int rather_large[100];

};

void

large_struct_by_value (struct rhomboidal r)

{

  myglob += r.rather_large[42]; /* step-test.exp: arrive here 1 */

}

int main () {

   int w,x,y,z;

   int a[10], b[10];

   /* Test "next" and "step" */

   w = 0;        /* BREAK AT MAIN */

   x = 1;       /* NEXT TEST 1 */

   y = 2;       /* STEP TEST 1 */

   z = 3;       /* REVERSE NEXT TEST 1 */

   w = w + 2;   /* NEXT TEST 2 */

   x = x + 3;   /* REVERSE STEP TEST 1 */

   y = y + 4;

   z = z + 5;   /* STEP TEST 2 */

   /* Test that "next" goes over a call */

   callee();    /* NEXT OVER THIS CALL */

   /* Test that "step" doesn't */

   callee();    /* STEP INTO THIS CALL */

   /* Test "stepi" */

   a[5] = a[3] - a[4]; /* FINISH TEST */

   callee();    /* STEPI TEST */

   /* Test "nexti" */

   callee();    /* NEXTI TEST */

   y = w + z;

   {

     struct rhomboidal r;

     memset (r.rather_large, 0, sizeof (r.rather_large));

     r.rather_large[42] = 10;

     large_struct_by_value (r);  /* step-test.exp: large struct by value */

   }

   exit (0); /* end of main */

}